fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define endl "\n"
  5. #define adel_wageeh ios::sync_with_stdio(0), ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  6. string binary_convert(int morgn_num)
  7. {
  8.     string binaryy;
  9.     if (morgn_num == 0)
  10.     {
  11.         binaryy = '0';
  12.         return binaryy;
  13.     }
  14.     while (morgn_num != 0)
  15.     {
  16.         if (morgn_num % 3 == 0)
  17.             binaryy += '0';
  18.         else if(morgn_num%3==1)
  19.             binaryy += '1';
  20.         else
  21.         {
  22.             binaryy = "-1";
  23.             return binaryy;
  24.         }
  25.  
  26.         morgn_num /= 3;
  27.     }
  28.     return binaryy;
  29. }
  30. ll desimal_convert(string s)
  31. { 
  32.     ll sum=0;
  33.     for (int i = 0; i < s.length(); i++)
  34.         sum += ((s[i]-48) * pow(2, i));
  35.     return sum;
  36. }
  37. int main()
  38. {
  39.     adel_wageeh;
  40.     string s;
  41.     int turns_num,morgn_num;
  42.     cin >> turns_num;
  43.     while (turns_num)
  44.     {
  45.         cin >> morgn_num;
  46.         s = binary_convert(morgn_num);
  47.         if (s == "-1")
  48.         {
  49.             cout << -1;
  50.             return 0;
  51.         }
  52.         cout << desimal_convert(s) << endl;
  53.  
  54.     }
  55.  
  56. }
Success #stdin #stdout 0.01s 5436KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
-1
https://ideone.com/o4fSOD
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!